- Large and Readable Display: This 17-inch HD LED wall clock features oversized 4.84-inch high-contrast numbers, ensuring excellent visibility from a distance and various angles, making it perfect for any room. - Automatic Brightness Adjustment: Equipped with a built-in light sensor, the clock automatically dims or brightens based on surrounding light conditions for optimal viewing comfort. The screen brightness can also be manually turned off, ideal for dark sleeping environments. - Versatile Timer Functions: This digital clock offers clock, alarm, and timer features in one device. Easily switch between modes with a simple press of a button, catering to different needs in settings such as homes, kitchens, gyms, offices, and classrooms. - Countdown Capability: The timer can be set for up to 29 hours, 59 minutes, and 59 seconds, with a 90-second alert at the end of the countdown. This feature is perfect for kitchen cooking, fitness routines, classroom activities, or managing children's schedules. - Convenient Power Supply: The clock operates via a power adapter (battery power is not supported). It includes two AAA batteries for retaining time and alarm settings during power outages, ensuring reliability at all times. This large digital wall clock combines functionality and practicality, providing clear visibility and versatile features for everyday use.